A formation of People's Liberation Army Air Force takes part in a grand military parade celebrating the 70th founding anniversary of the People's Republic of China in Beijing, capital of China, Oct. 1, 2019. (Xinhua/Lan Hongguang)

Troops take part in a military parade during the celebrations marking the 70th anniversary of the founding of the People's Republic of China (PRC), in Beijing, capital of China, Oct. 1, 2019. (Xinhua/Wang Jianhua)